/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.room.compiler.processing.ksp

import com.google.devtools.ksp.symbol.KSAnnotated
import com.google.devtools.ksp.symbol.KSClassDeclaration

private fun KSAnnotated.hasAnnotationWithQName(qName: String) =
    annotations.any { it.annotationType.resolve().declaration.qualifiedName?.asString() == qName }

internal fun KSAnnotated.hasJvmStaticAnnotation() = hasAnnotationWithQName("kotlin.jvm.JvmStatic")

internal fun KSAnnotated.hasJvmTransientAnnotation() =
    hasAnnotationWithQName("kotlin.jvm.Transient")

internal fun KSAnnotated.hasJvmFieldAnnotation() = hasAnnotationWithQName("kotlin.jvm.JvmField")

internal fun KSAnnotated.hasJvmDefaultAnnotation() = hasAnnotationWithQName("kotlin.jvm.JvmDefault")

/**
 * Return a reference to the containing file or class declaration via a wrapper that implements the
 * [javax.lang.model.element.Element] API so that we can report it to JavaPoet.
 */
internal fun KSClassDeclaration.wrapAsOriginatingElement(): OriginatingElementWrapper {
    // Use the source file as originating element if the KSClassDeclaration is from a source file,
    // and use the class declaration if it's from a compiled class file.
    return containingFile?.let { KSFileAsOriginatingElement(it) }
        ?: KSClassDeclarationAsOriginatingElement(this)
}
